Range from the cheapest installation of a burglar alarm £200 (IS Services based in HP6) to the dearest installation of a burglar alarm £540 (MLB Electrical Contractors Ltd based in HP1).
Comparing electricians estimates for fitting a burglar alarm gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to install a downstairs toilet in HP5 by posting a job with HaMuch and we will send it to electricians in HP5.